//  limitations under the License.

package kube

import (
	"fmt"

	"k8s.io/apimachinery/pkg/runtime/schema"

	istioKube "istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/test/framework/components/cluster"
	"istio.io/istio/pkg/test/framework/config"
	"istio.io/istio/pkg/test/scopes"
)

// clusterIndex is the index of a cluster within the KubeConfig or topology file entries
type clusterIndex int

	"path/filepath"
	"strings"

	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

	"istio.io/api/label"
	"istio.io/istio/pkg/test/framework"
	"istio.io/istio/pkg/test/framework/components/cluster"
	kubecluster "istio.io/istio/pkg/test/framework/components/cluster/kube"
	"istio.io/istio/pkg/test/helm"
	kubetest "istio.io/istio/pkg/test/kube"
	"istio.io/istio/pkg/test/scopes"
	"istio.io/istio/pkg/test/shell"

	"istio.io/istio/pkg/test/echo/common/scheme"
	"istio.io/istio/pkg/test/framework"
	"istio.io/istio/pkg/test/framework/components/crd"
	"istio.io/istio/pkg/test/framework/components/echo"
	"istio.io/istio/pkg/test/framework/components/echo/check"
	"istio.io/istio/pkg/test/framework/components/istio"
	testKube "istio.io/istio/pkg/test/kube"
	"istio.io/istio/pkg/test/util/assert"
	"istio.io/istio/pkg/test/util/retry"

	"github.com/prometheus/common/model"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

	istioKube "istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/test/env"
	"istio.io/istio/pkg/test/framework/components/cluster"
	"istio.io/istio/pkg/test/framework/components/istio"
	"istio.io/istio/pkg/test/framework/resource"
	"istio.io/istio/pkg/test/framework/resource/config/apply"
	testKube "istio.io/istio/pkg/test/kube"
	"istio.io/istio/pkg/test/scopes"
)

	registerHandler(h handler)
}

// BuildMultiClusterComponent constructs a new multicluster component. For each cluster, the constructor will be called.
// If the cluster is removed, the T.Close() method will be called.
// Constructors MUST not do blocking IO; they will block other operations.
// During a cluster update, a new component is constructed before the old one is removed for seamless migration.

package istio

import (
	"fmt"
	"os"
	"path"
	"path/filepath"
	"strings"

	corev1 "k8s.io/api/core/v1"

	"istio.io/istio/pkg/test"
	"istio.io/istio/pkg/test/env"
	"istio.io/istio/pkg/test/framework/components/namespace"
	"istio.io/istio/pkg/test/framework/resource"
	"istio.io/istio/pkg/test/scopes"
)

const (
	// DefaultSystemNamespace default value for SystemNamespace
	DefaultSystemNamespace = "istio-system"

	flag.BindEnv(fs, constants.RedirectDNS, "", "Enable capture of dns traffic by istio-agent.", &cfg.RedirectDNS)
	// Allow binding to a different var, for consistency with other components
	flag.AdditionalEnv(fs, constants.RedirectDNS, "ISTIO_META_DNS_CAPTURE")

	flag.BindEnv(fs, constants.DropInvalid, "", "Enable invalid drop in the iptables rules.", &cfg.DropInvalid)

	"istio.io/istio/pkg/config/analysis/diag"
	"istio.io/istio/pkg/config/analysis/msg"
	"istio.io/istio/pkg/test"
	"istio.io/istio/pkg/test/framework"
	"istio.io/istio/pkg/test/framework/components/istioctl"
	"istio.io/istio/pkg/test/framework/components/namespace"
	"istio.io/istio/tests/integration/helm"
)

const (
	gatewayFile          = "testdata/gateway.yaml"
	jsonGatewayFile      = "testdata/gateway.json"

	components := c.component.All()
	assert.Equal(t, []bool{false, false, false}, slices.Map(components, func(e testHandler) bool {
		return e.Closed.Load()
	}))

	// Remove secret, it should be marked as closed
	c.DeleteSecret("s0")
	fetchClosed := func() map[string]bool {
		res := map[string]bool{}
		for _, c := range components {
			res[string(c.ID)] = c.Closed.Load()
		}

  optional ContainerResourceMetricSource containerResource = 7;

  // external refers to a global metric that is not associated
  // with any Kubernetes object. It allows autoscaling based on information
  // coming from components running outside of cluster
  // (for example length of queue in cloud messaging service, or
  // QPS from loadbalancer running outside of cluster).
  // +optional
  optional ExternalMetricSource external = 5;
}